| 학회 |
한국고분자학회 |
| 학술대회 |
2017년 봄 (04/05 ~ 04/07, 대전컨벤션센터) |
| 권호 |
42권 1호 |
| 발표분야 |
고분자구조 및 물성 |
| 제목 |
Size-controlled, Monodisperse Janus Particle Surfactants with pH-Responsive Amphiphilic Properties |
| 초록 |
Amphiphilic Janus particles can stabilize multiphasic fluids such as emulsions and foams due to their high adsorption energy. In particular, the ability to control the size and shape of Janus particles provide a powerful strategy to control their surface activity. In this work, we demonstrate a strategy to fabricate monodisperse amphiphilic Janus particles which enables to make stable Pickering emulsions of toluene and water. Size-controlled, monodisperse polystyrene (PS) / poly(methacrylic acid) (PMAA). Effect of particle size and number of Janus particles on stability of Pickering emulsions were investigated. In addition, one side of Janus particle is composed of hydrophobic styrene, whereas the other side is rich in a pH-sensitive hydrophilic PMAA. Therefore, these Janus particles allowed to stabilize different types of emulsions, and induce phase inversion of emulsions in response to changes in solution pH. |
| 저자 |
이영준1, 구강희1, 신재만1, 장세규2, 김범준1
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| 소속 |
1KAIST, 2KIST |
| 키워드 |
Monodisperse Janus particles; Amphiphilic Janus particles; Size-controlled; SPG membrane; Pickering emulsion; Janus particles
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| E-Mail |
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